Gearless suction roll with extended suction box



Aug, 18, 1 931. w. H. MILLsPAUGH 1,819,332

GEARLEss sUcTIoN ROLL WITH EXTENDED sucTIoN Box Filed Maron z, 1922 2 sheets-sneer 1 J0 3? zo f5 12 /N N i Vi EEli E l\ (T *D im m u) '2"' :l w w l'll 0 E) N] @Q DS il l Vf il U INVENTOR.

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ug. 18, 1931. w. H. MILLsPAuGH 1,819,332

` GEARLEss sUcTIoN ROLL WITH EXTENDED sUcTIoN Box Filed March 23. 1928 2 Sheets-Sheet 2 .fz-57. Z

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Patented Aug. 18, 1931 UNITED STATES PATENT OFFICE WILLIAM E. MILLSPAUGH, 0F SANDUSKY, OHIQ, ASSIGNOB TO PAPER TEXTILE MACHINERY COMPANY,0F SANDUSKY, OHIO GEABLESS SUCTION BOLL WITH EXTENDED SUCTION BOX Application med March 23,

..lhe present invention relates to paper mak- Y mg machinery and more particularly to a, suction roll gearless drive, or means for driving or revolving the perforate shell of the driven type there'is a considerable loss,of

power throu h friction of vthe engaging gear teeth-rough y, 20% or more. In the gear driven type there are, obviously, at least two intermeshing gears betweenthe in-drive shaft and the roll which it drives. Clearly, extra gears in the gear driven roll as compared with the gearless drive, give added o ortunities for repairs and other recognize disadvantages including the stoppage of the machine for the re airs to the gear drive.

The main obJects of the present invention are to avoid this and other recognized difficulties met with in the gear driven roll.

in order to more clearly disclose the construction, operation, and use .of the invention, v reference should be had to the accompanying p drawings forming part of the resent application. Throughout the severa gures of the drawings like reference characters designate the `saine parts in the several views.

In the drawings:

Fig. 1 is a central vertical lon cross section through one preferr the invention.

Fig. 2 is a cross section on line 2*-2'of Fig. 1 looking in the direction of the arrows:

Fig. 3 is a left hand end view of Fig. 1, with the drive omitted, and

Fig. d is a top plan view.

The t e of gear driven suction roll 1n en- 'tudinal form of eral use t rou out the paper making in ustry, both in this country and abroad 1s retty well disclosed in the re-issue patent of paugh 13,100, dated A pr'il 12,1910. For friction reduction or easier driving, roller bearie'as. serial No. 264,171.

ing mounting of the shell as in re-issue Millspaugh Patent 16,501 dated December 7, 1926, 1s used. For details as'to mounting of the suction box within the shell and the anti friction roller support, reference is made to said patents. The same is true as to the constructio'n and arrangement of the suction box or chamber and its disposition within the shell, 1n general.

eferring to the drawings in detail, 1 indicates the perforated shell :or roll through which the suction operates or is effective on the pulp, .in the process of paper making. Within this shell is suported the suction box 2 of usual and well nown construction. Its longitudinal edges adjacent the inner face of the shell are provided with the usual well known packing .strips,iall as clearly shown in Reissue Patent 13,100.

That end 2o,` of the suction box nearest the drive is slidably mounted in a block or head 3. For this purpose the side walls 33a of the box near that end are grooved Vto slidably receive the co-o erating edges of the side walls 40 of the hea which define a U-shaped opening 41 in the head as more clearly shown in Fig. 3; In 4the head wall 42 at the bottom of said opening is disposed an annular plate or washer 4,- to act as a spring seat for the coil suction box supporting s ring 5. A stud or in 6 extends -throughan centers said spring 5, so that it will be kept in proper position. -As will be readily understood, this spring, unless counteracted, would force the suction box 2 into tight frictional engagement with the inner wall of the shell 1. To avoid this, lset screws 43 are provided as in Re-issue Patent 13,100.

In the gear driven construction, in general use, the blocks or heads for supporting the ends of the suction box are both carried by frames, brackets or other supports, entirely exterior to the shell. In the gearless drive of this invention that` is not possible at the driven or drive end of the shell, as will be evident.

The inner ordrive end 44 of the shell hasl having an inner race 8a positioned on said `head and an outer race 9a positioned on said ring. A set of rollerV or other anti-friction bearings 9 are disposed between said races. Both said ring 45 and the head 3 are suitably formed to provide seats 46 and 47 for said races.

At the opposite oi' frontend 10a, the suction box is supported entirely exterior of the shell 41. At this end the shell 1 'is provided with a head1() having an outwardl extended reduced hollow journal 11 whic revolves freely on roller or other anti friction bearings l2.located in ajsuitable bearing cage 13 mounted in a frame orA hous' 14 of the 'standard 15. Said journal 11 an bearing 12 front end 16a of the suction box through said hollow journal 11, concentrically therewith and spaced therefrom, as clearly shown in Fig. 1.

The suction box is supportedat this end by a head 3a having a circular aperture 48 therethrou h for receivin said tubular extension which provides a relatively large supporting .surface for said extension. Said flange 17 is keyed'or otherwise securely fastened to said extension 16 so as to turn therewith. Said head 3a is mounted for slidin movement on a disc or plate 19 bv means o? guides or ways 18 which receive t e side ed es 18a of said head. The disc orplate 19 is in turn detachably secured on the housing 14 by means of bolts-22 which extend throu h arcuate slots 23 in said plate and are readed into said housing 14.

The mounting of said head 3a on said disc "or late 19 is adjusted by means of a coil spring 5a, similar to spring 5, extends to meve said head radially of said plate. Said spring 5a is centered by a headed pin 6a, the hea sion 16.

ange 21 located adjacent .the periphery of said plate 19. Saidspring 5a ears at one end against said head 50 and at its opposite end against a movable block 4a which has an a rture 52 for receiving the shank 53 of said v pin 6a. Said block 4a rests against the outer side of the flange 17 to `thereb -traiismit the force 'of said spring to the hea 3a and exten- -The compression of spring 5a is regulated by means of a set screw 54 which is threaded through alu pn the plate 19 opposite the flange 21. he innerl end of said set screw contacts a flange 55 formed on the head 3a beneathsaid lug 20to thus of said spring 5a. construction permits of angular ad- In24is aid head 3a is ormed about said aperture with an outwardly extending fiange 17' resist lthe force It is hardly necessary to state that the housu ing 14 is in section to provide for ready removal of the upper part of the same and thus permit the forming wire of the machine to be readily removed and replaced.

The usual elbow connection 60 is provided for the reduced end of the suction box. It ma be made detachable in any of the usual an well known ways, as by a notched'collar, ange and co-operating eye bolts, or the like.

At the drive end 44 a disc or circular head ro'vided as the driving connection. Said disc has a peripheral flange whichis securely fixed to the ang'e of ring 45 in any suitable and well known manner. From the 4center of the disc extends the indrive shaft 26 which may be driven direct from a motor or any usual driving machinery (not shown). It is obvious, likewise, that it may be driven indirectly through a clutch or similar connection. At a point nearthe disc or driving head 24 the shaft 26 is. journaled in suitable A antifriction bearings 27 positioned in the standard 28. The -member or element which immediatel connects the shell to the drive shaft has n shown and described as a flanged disc or plate 24 and as fixed to the shell. Clearly, this disc may be cut away to ractically any desired extent as until only a ork of two opposite arms remains, the free ends of these arms being secured to the ring in the same manner as stated for the disc flange. Of course, any other number of arms may similarly be provided. The disc construction described is a strong, eiicient, c ompact, economicalform and one readily and quickly made. In some cases, especially with small diameter rolls'it may be referable to have a detachable instead of a ed connection. T his may be done in many ways' as by of which is seated on a relatively wide.

Eins or studs lon the shell-cooperatin with a ey hole in the disc or bayonet or ot er locking slots in the flange .or in the arm ends; or the iiange or arm ends may be simply boltland-nut connected.

It is the intention, of course, to include in this application and to cover by the appended claims both the fixed and detachable connections'.

A readily accessible deckle ad 'ustment ini. dicated generally by the numera 30a is proj vided at the fr ont end 10a of the machine and is made as compact as practicable to adapt it to the least possible space.' In the preferred form two separate and independent shafts 30 and 31 are employed, each shaft being threaded into and through a deckle block or lliead 31a. Said heads 31a are longitudinally slidable between the side walls of the suc` or any other suitable means 32 for operatingV E the same. Said shafts are oppositely threaded to cause the deckle blocks 31a to travel in-` wardly from the shell ends toward the center. This makes a simple, efficient, and compact e construction whereby either deckle may` be 2G adjusted to any extent desired without in any degree adecting the other, 'whileat the same time occupying only the s ace required `for he single adjusting means or one deckle hea lt `will be clear on reference to Fig. l that there are three sets of bearings, all together, and that all three sets are very easilyv and uickly accessible at al times. In case of amage, with resulting need of repair or replacement, this is very important and results in a big saving in time in making the repairs, as Well as the saving of the heavy loss in the operation and production of the machine dur ing the time it is idle for repairs.

lit is obvious that changes may be made in the construction, operation, and disposition of various parts of the machine, within the scope of the appended claims, without in any sense departing from the field of the inveneo tion, and it isintended to include all such vWithin this application,` wherein only a single form has been disclosed, as illustrative of the invention, merely- What l claim is:

1. ln a suction roll a revolvable shell, a relatively non-revolvable suction box within said shell, stationary heads supporting opposite ends o'f said suction box exterior to said shell, means extending about one of said heads 5@ for driving said shell, a tubular journal of reduced diameter extending from the opposite end of the aforesaid shell, and a suction connection of reduceddiameter carried by said box and extending through said journal in spaced relation thereto and mounted in the adjacent stationary head.

dit

2. n a suction roll, a revolvable shell, a-

relatively non-revolvable floating suction box within said shell, stationary heads supporte@ ing opposite ends of said suction box exterior to' said shell, means extending about one of said heads for driving said shell, a tubular journal of reduced diameter extending from' the opposite end of the aforesaid shell, and

@5 a suction connection ot reduced diameter caron the other hand, (preferably, is

ried by said box and extending through said journal 1n spaced relation thereto and mounted in the adjacent stationary head.

v3. In a suction roll, a perforate shell, a I

suction box in said shell, a head supported from one end of said shell exterior -to said shell forming a journal for said shell end, one end of said suction box being supported loosely in said head for radial movement therein, a second stationary head beyond the opposite end of the shell and a tubular member extending from said suction box and received in said second head for supporting the opposite end of said suction box for radial movement of the same.

4. -A structure for mounting a suction box in a. suction roll comprising a stationary head supported from one end of said roll exterior to the same and about which said roll end revolves, said head having an opening therein for receiving and supporting said head for radial movement therein, a support for rotatably mounting the opposite, end -of said roll, a tubular member extending from said suction box to a point beyond said support anda second head independent of said roll detachably secured to said su port and encircling said tubular member or'supporting the same.

5. A device for mounting a suction box in 'a suction roll comprising a head supported from one end of said roll and about which said roll revolves, said head having an opening therein, one end of said suction box being supported in said opening for radial movement therein, a second head beyond the opposite end of said roll having an o ning therein, a tubular member extending rom said suction box .into said opening wherein it is supported, means for supportingy said second o enin for receivin and su ortino' one end of said suction box, a tubular member extending from the other end of said suction box beyond the adjacent roll end a second head having an aperture therein tor receiving and supporting said tubular member a support for said second head and means or slidably mounting said second head on said support. A

ln a suction roll having a suction box therein, a supporting device for said suction box comprising a ringlon one end of said roll, a head' 1n sai ring aving an opening for receivin -and supporting one end of said suction. ox, means between said head and ring rovidmg 'for vrotation of said roll about sal ead, a tubular member on the opposite end of .said suction box extending beyond disc and having ailanged opening in said roll, a standard for rotatably mountin ment with sai disc opening for recei said roll, a disc detachably secured to sai and supporting said tubular memberl an standard, a head slidably mounted on said resilient means.,for varying the position of disc, said disc and head havin aligned opensaid head on said disc. 'N ings to receive and su port sai tubular mem- In testimon whereof I aix m signature. ber, resilient means ger varyin the position H. MILLS A GH of said head on said disc sai head being keyed to said tubular mem r whereby rotation of said disc causes rotationof said tu- A 75 Y bular member. I v v 8. A device for rotatabliyl' supporting a suction box in a suction vro comprising a head supported from one endof said roll exterior thereto and providing a journal 9 about which said roll revolves, said head hav` ing an opening therein for receiving and supportin one end of said suction box, a disc beyon the opposite end of said roll, a su 2 port for said disc, a second head sldab y i 39 detachably securing'said disc to its support 95.

mounted on said disc, said disc and head having aligned openings therein, a tubular member extending from the other end of said suction box through the openings in said disc l said head forsupporting said tubu ar inember, said flange being keyed to said tubular member, means for varying `the radial posi' tion of said head on said disc and means for to providel or rotation of said disc and. ac-

`coldingly said suction box' relative to said 9. A support for the driven end of a sucs tion roll having a. suction box therein, com- 10 prisi'n a. hollow trunnon on said roll end,

a pe estal for supporting said trunnon, bearin between said trunnon and pedestal, a tubu ar member extending from said sucand head, a wide flange about the o ening in l 4 tion box through said trunmon in spaced re- 105 lation thereto,.a disc detachably securedto said pedestal be ond the end of'said trunnion, a head sli ably mounted oiisaid disc, said head and disc having openin through 5 which said tubular member exten s, a Bange no about the opening in said head for su portin said extension, means for radially s 'ding l said' head relative to said disc and means providing for. angular movement of said head, 5 disc and extension relative to said roll end. n

'10. A suction roll comprising a perforate shell, a suction box in said shell, a ring secured to one end of said shell, a stationary head in said ring havin an opening therein 55 for receivin one end o said suction box to .1

support sai end, a bearingbetween said head and ring providing for rotation of said shell about said head, a hollow extended trunnon on the opposite end of said shell, means for rotatab nion, a tubular member extending :from said suction box throughesaid trunnon in s ac ed relation thereto, acentrally apertu detachably secured to said trunmon supporting means, a. head slidably mounted .on said lll y supporting said trun- Il, 

